may make different clinical decisions for the same clinical condition.
Dentists also encourage prevention of oral diseases through proper hygiene and regular, twice yearly, checkups for professional cleaning and evaluation.
Oral infections and inflammations may affect overall health and conditions in the oral cavity may be indicative of systemic diseases, such as osteoporosis, diabetes, celiac disease or cancer.
Some dentists undertake further training after their initial degree in order to specialize.
Exactly which subjects are recognized by dental registration bodies varies according to location.
A sagittal cross-section of a molar tooth; 1: crown, 2: root, 3: enamel, 4: dentin and dentin tubules, 5: pulp chamber, 6: blood vessels and nerve, 7: periodontal ligament, 8: apex and periapical region, 9: alveolar bone The first dental college, Baltimore College of Dental Surgery, opened in Baltimore, Maryland, US in 1840.
The second in the United States was the Philadelphia College of Dental Surgery, established in 1852.Most dentists either work in private practices (primary care), dental hospitals or (secondary care) institutions (prisons, armed forces bases, etc.).The history of dentistry is almost as ancient as the history of humanity and civilization with the earliest evidence dating from 7000 BC.This schooling is followed by four years of dental school to qualify as a "Doctor of Dental Surgery" (DDS) or "Doctor of Dental Medicine" (DMD).Dentists need to complete additional qualifications or continuing education to carry out more complex treatments such as sedation, oral and maxillofacial surgery, and dental implants.Dentistry is a branch of medicine that consists of the study, diagnosis, prevention, and treatment of diseases, disorders and conditions of the oral cavity, commonly in the dentition but also the oral mucosa, and of adjacent and related structures and tissues, particularly in the maxillofacial (jaw and facial) area.